On Wed, Dec 15, 2010 at 15:47, Tom Lane <t...@sss.pgh.pa.us> wrote:
> Robert Haas <robertmh...@gmail.com> writes:
>> On Wed, Dec 15, 2010 at 9:39 AM, Tom Lane <t...@sss.pgh.pa.us> wrote:
>>> Really?  Personally I'm quite happy with that default.
>
>> Why?  It seems to me that just leads to, oh, gee, the database isn't
>> shutting down, where's the window where I failed to exit a session?
>
> Yeah, and more to the point, do I want to finish whatever I was doing in
> that window?  Fast-by-default is a nice hammer to swing, but one day
> you'll pound your finger.

The whole question "whatever I was doing in that window" indicates a
very limited deployment.

In most production deployments, that would mean different machiens,
and many different people... As a DBA, I certainly don't want to have
to wait around for everybody in my organization to get back from lunch
and close their clients..

In reality, more often than not I see the default shutdown turn into a
very efficient DOS - nobody can do anything in the database ,and a
restart (which is the usual case really - most people don't shut down
their db, they restart it - or shutdown/upgrade/start or something
like that) that could go in seconds turns into minutes or longer.


-- 
 Magnus Hagander
 Me: http://www.hagander.net/
 Work: http://www.redpill-linpro.com/

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